RX 350 AWD V6-3.5L (2GR-FE) (2007)
Fuel Pressure Release: Service and Repair
FUEL SYSTEM
PRECAUTION
1. PRECAUTION
a. Before inspecting and repairing the fuel system, disconnect the negative (-) battery terminal.
b. Do not smoke or work near fire when handling the fuel system.
c. Keep gasoline away from rubber or leather parts.
2. DISCHARGE FUEL SYSTEM PRESSURE
CAUTION:
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Perform the following procedures to prevent fuel from spilling out before removing any fuel system parts.
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Pressure will still remain in the fuel line even after performing the following procedures. When disconnecting the fuel line, cover it
with a shop rag or a piece of cloth to prevent fuel from spraying or coming out.
a. Remove the circuit opening relay.
1. Disconnect the cable from the negative (-) battery terminal.
2. Remove the circuit opening relay from the engine room relay block.
3. Connect the cable to the negative (-) battery terminal.
4. Start the engine.
5. After the engine stops, turn the ignition switch off.
HINT: DTC P0171/25 (fuel problem) and/or P0191/49 (fuel pressure sensor signal error) may be detected.
6. Crank the engine again. Check that the engine does not start.
7. Remove the fuel tank cap to discharge pressure from the fuel tank.
8. Disconnect the cable from the negative (-) battery terminal.
9. Install the circuit opening relay.
b. Disconnect the fuel pump connector.
1. Fold back the floor carpet.
2. Remove the rear floor service hole cover.
3. Disconnect the fuel pump connector.
4. Start the engine.
5. After the engine stops, turn the ignition switch off.
HINT: DTC P0171/25 (fuel problem) and/or P0191/49 (fuel pressure sensor signal error) may be detected.